Noun
a support for the arch of the foot
Source: WordNetIn fact, there are flip-flops that have arch support, too. Source: Internet
If you experience pain on the inside or the back of your ankle or at your knee for the first few times out, you may need some better arch support. Source: Internet
However, it’s somewhat narrow and there is no arch support. Source: Internet
I gave four stars for comfort because it could use a little bit more arch support and 4 stars for look because in the US it isn't as recognized as in Europe. Source: Internet
That’s why stiff biking shoes are best (with or without arch support). Source: Internet